UCC3818A preregulator equivalent, bicmos power factor preregulator.
*1 Controls Boost Preregulator to Near-Unity Power Factor
* Limits Line Distortion
* World Wide Line Operation
* Overvoltage Protection
* Accurate Pow.
* PC Power
* Consumer Electronics
* Lighting
* Industrial Power Supplies
* IEC6100-3-2 Compliant Sup.
The UCC3817A and the UCC3818A family provides all the functions necessary for active power factor corrected preregulators. The controller achieves near unity power factor by shaping the ac input line current waveform to correspond to that of the ac i.
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